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CPD Resource

Concrete Mix Design and Specification — EN 206 and BS 8500 NewSupplier CPD

Structural Engineering 🏭 Aggregate Industries ⏱ 2 CPD Hours Free 📅 Added May 2026

About this CPD Resource

Specifying concrete to BS 8500 and EN 206, covering exposure classes, designed and designated mixes, admixtures, supplementary cementitious materials and sustainable concrete options.

Concrete specification is governed by BS 8500 which sets out requirements for specifying, producing and delivering concrete for construction. Understanding the exposure class system, the difference between designed and designated concrete mixes, and the role of supplementary cementitious materials such as GGBS and PFA in reducing embodied carbon is essential knowledge for structural and civil engineers.

Learning Outcomes

  • Apply BS 8500 to specify concrete for different exposure conditions
  • Select appropriate concrete mix designs for structural and non-structural applications
  • Understand the role of admixtures and supplementary cementitious materials
  • Specify low-carbon concrete options using GGBS and PFA
Provider
Aggregate Industries
CPD Hours
2 hours
Access
Free
Category
Structural Engineering

Who Is This Suitable For?

Structural engineers
Civil engineers
Architects
Contractors
Building control officers

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Why This CPD Matters

Structural engineering sits at the heart of safe, efficient and sustainable construction. The structural engineer's fundamental duty — ensuring that buildings and infrastructure are safe for their intended use — has been reinforced and scrutinised by the Building Safety Act 2022, which places new competency requirements on those working on higher-risk buildings. The Institution of Structural Engineers and the Institution of Civil Engineers both require their members to demonstrate ongoing competency development through CPD, and structural design practice is constantly evolving through updates to Eurocode standards, new materials and construction methods, and the growing importance of embodied carbon in structural design decisions.

This CPD from Aggregate Industries UK Ltd (Holcim Group) addresses structural engineering knowledge that is directly applicable to professional practice. Whether you are working towards or maintaining Chartered Membership of IStructE or ICE, or seeking to develop your technical knowledge in a specific area of structural practice, structured CPD from recognised providers contributes to the evidence of competency that professional bodies require.

Key Topics and Industry Context

Structural engineering encompasses the analysis, design and verification of load-bearing elements and systems in buildings and infrastructure. The Eurocodes — the European structural design standards adopted across the UK — provide the primary framework for structural design and are periodically updated, requiring practitioners to maintain their knowledge of current requirements. Materials science and construction methods are evolving, with developments in engineered timber, high-strength concrete, glass-fibre reinforced polymer (GFRP) reinforcement and structural steel driving new approaches to design. The assessment and strengthening of existing structures is a growing area of practice as the industry shifts towards retrofit and adaptation of the existing building stock.

This resource from Aggregate Industries UK Ltd (Holcim Group) provides structured learning in an aspect of structural engineering practice that is relevant to professionals at all career stages, from graduates developing their foundational knowledge to experienced engineers updating their understanding of current standards and practice.

How This Fits Your CPD Requirements

IStructE requires all Chartered Members (MIStructE) and Fellows (FIStructE) to complete a minimum of 30 hours of CPD per year, of which at least 16 hours should be structured activities with defined learning objectives. ICE does not set a fixed annual minimum but requires members to maintain a CPD record demonstrating ongoing development. The Engineering Council's UK Standard for Professional Engineering Competence (UK-SPEC) requires all professionally registered engineers to demonstrate commitment to continuing competency development. Structural engineering CPD from recognised providers such as this one contributes directly to meeting these requirements.

What are exposure classes under BS 8500?
Exposure classes define the environmental conditions to which concrete will be exposed, from XC (carbonation-induced corrosion) through to XA (chemical attack). The exposure class determines minimum cement content and concrete strength class.
What is GGBS?
Ground Granulated Blastfurnace Slag is a by-product of iron manufacture that can replace up to 70% of Portland cement in concrete mixes, significantly reducing embodied carbon.
What is the difference between designed and designated mixes?
A designated mix is specified by a standardised designation that defines minimum performance requirements. A designed mix is specified by required performance properties, with the concrete producer having flexibility in mix design.

About Concrete Mix Design and Specification — EN 206 and BS 8500

Concrete specification is governed by BS 8500 which sets out requirements for specifying, producing and delivering concrete for construction. Understanding the exposure class system, the difference between designed and designated concrete mixes, and the role of supplementary cementitious materials such as GGBS and PFA in reducing embodied carbon is essential knowledge for structural and civil engineers.

This CPD resource is provided by Aggregate Industries (Aggregate Industries UK Ltd (Holcim Group)) and is suitable for Structural engineers, Civil engineers, Architects and other UK construction professionals.